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remove iadd_cout and isub_bout (#6198)

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This commit is contained in:
T0b1-iOS
2023-04-12 01:39:32 +02:00
committed by GitHub
parent c0166f78f9
commit f684a5fbee
16 changed files with 7 additions and 390 deletions
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50
cranelift/codegen/meta/src/shared/instructions.rs
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@@ -2003,31 +2003,6 @@ pub(crate) fn define(
.operands_out(vec![Operand::new("a", iB)]),
);
ig.push(
Inst::new(
"iadd_cout",
r#"
Add integers with carry out.
Same as `iadd` with an additional carry output.
```text
a &= x + y \pmod 2^B \\
c_{out} &= x+y >= 2^B
```
Polymorphic over all scalar integer types, but does not support vector
types.
"#,
&formats.binary,
)
.operands_in(vec![Operand::new("x", iB), Operand::new("y", iB)])
.operands_out(vec![
Operand::new("a", iB),
Operand::new("c_out", i8).with_doc("Output carry flag"),
]),
);
ig.push(
Inst::new(
"iadd_carry",
@@ -2227,31 +2202,6 @@ pub(crate) fn define(
.operands_out(vec![Operand::new("a", iB)]),
);
ig.push(
Inst::new(
"isub_bout",
r#"
Subtract integers with borrow out.
Same as `isub` with an additional borrow flag output.
```text
a &= x - y \pmod 2^B \\
b_{out} &= x < y
```
Polymorphic over all scalar integer types, but does not support vector
types.
"#,
&formats.binary,
)
.operands_in(vec![Operand::new("x", iB), Operand::new("y", iB)])
.operands_out(vec![
Operand::new("a", iB),
Operand::new("b_out", i8).with_doc("Output borrow flag"),
]),
);
ig.push(
Inst::new(
"isub_borrow",